污水塑料檢查井井筒軸向負荷性能***為PE實壁管、PVC-U雙層軸向中空管、HDPE中空壁纏繞管
波紋管預應力 溢流(liu)(liu)井(jing)(jing)(jing)的(de)(de)(de)設(she)置是為(wei)了(le)(le)控制(zhi)(zhi)混合(he)污(wu)水(shui)(shui)(shui)的(de)(de)(de)流(liu)(liu)入不(bu)超(chao)過污(wu)水(shui)(shui)(shui)處理廠(chang)的(de)(de)(de)處理負(fu)荷截(jie)流(liu)(liu)式合(he)流(liu)(liu)制(zhi)(zhi)排(pai)水(shui)(shui)(shui)系統是在臨河岸(an)邊建造一(yi)條(tiao)截(jie)流(liu)(liu)干管(guan)(guan),同(tong)時在合(he)流(liu)(liu)干管(guan)(guan)與截(jie)流(liu)(liu)干管(guan)(guan)相交前或相交處設(she)置溢流(liu)(liu)井(jing)(jing)(jing),并在截(jie)流(liu)(liu)干管(guan)(guan)下游(you)設(she)置污(wu)水(shui)(shui)(shui)廠(chang)。晴天和(he)初降雨時所有(you)污(wu)水(shui)(shui)(shui)都排(pai)放送至污(wu)水(shui)(shui)(shui)廠(chang),經處理后排(pai)入水(shui)(shui)(shui)體,隨(sui)著降雨量的(de)(de)(de)增加(jia),雨水(shui)(shui)(shui)徑流(liu)(liu)也(ye)增加(jia),當混合(he)污(wu)水(shui)(shui)(shui)的(de)(de)(de)流(liu)(liu)量超(chao)過截(jie)流(liu)(liu)干管(guan)(guan)的(de)(de)(de)輸水(shui)(shui)(shui)能力后,就(jiu)有(you)部分(fen)混合(he)污(wu)水(shui)(shui)(shui)經溢流(liu)(liu)管(guan)(guan)溢出,直接排(pai)入水(shui)(shui)(shui)體。 節約(yue)材(cai)料(liao)(liao)(liao)。塑料(liao)(liao)(liao)檢(jian)查(cha)井(jing)(jing)(jing)由高分(fen)子樹脂為(wei)加(jia)工(gong)材(cai)料(liao)(liao)(liao)替代了(le)(le)紅磚水(shui)(shui)(shui)泥,節約(yue)了(le)(le)表土資源,建筑小區所用規格(ge)(ge)縮小,大(da)(da)大(da)(da)節約(yue)了(le)(le)檢(jian)查(cha)井(jing)(jing)(jing)埋地(di)所占用的(de)(de)(de)土地(di)空間。 回(hui)(hui)填材(cai)料(liao)(liao)(liao):從(cong)管(guan)(guan)底基礎面至管(guan)(guan)頂(ding)以上0.5m范圍內的(de)(de)(de)溝槽回(hui)(hui)填材(cai)料(liao)(liao)(liao)可用碎石屑、粒徑小于40mm的(de)(de)(de)砂碩、高(中)鈣粉煤(mei)灰,中粗砂或溝槽開挖出的(de)(de)(de)良質土。回(hui)(hui)填土不(bu)得采用淤泥,垃(la)圾和(he)凍土等,并不(bu)得夾帶石塊(kuai)(kuai),磚及(ji)其他帶有(you)棱角的(de)(de)(de)硬(ying)塊(kuai)(kuai)物體。 采用層結涂(tu)覆法工(gong)藝二次成型的(de)(de)(de)檢(jian)查(cha)井(jing)(jing)(jing)優(you)點(dian)是就(jiu)地(di)取(qu)材(cai)上馬快,PP模塊(kuai)(kuai)可以生產不(bu)同(tong)規格(ge)(ge)的(de)(de)(de)塑料(liao)(liao)(liao)檢(jian)查(cha)井(jing)(jing)(jing)。缺點(dian)是速度慢,難以批量生產,加(jia)上純手工(gong)方(fang)式制(zhi)(zhi)作,產品尺(chi)寸(cun)和(he)性能難以保(bao)證。生產中的(de)(de)(de)環境污(wu)染和(he)原材(cai)料(liao)(liao)(liao)無法回(hui)(hui)收(shou),限制(zhi)(zhi)了(le)(le)它(ta)的(de)(de)(de)生產和(he)使用。 回(hui)(hui)填應在排(pai)水(shui)(shui)(shui)管(guan)(guan)線(含管(guan)(guan)道和(he)檢(jian)查(cha)井(jing)(jing)(jing))驗收(shou)合(he)格(ge)(ge)后進行,并與管(guan)(guan)道溝槽的(de)(de)(de)回(hui)(hui)填同(tong)時進行。
晉中市盈率污(wu)水(shui)塑(su)料(liao)檢(jian)查(cha)(cha)井(jing)(jing)(jing)井(jing)(jing)(jing)筒(tong)軸(zhou)向(xiang)負荷性(xing)(xing)能(neng)(neng)(neng)***為PE實壁管(guan)(guan)(guan)、PVC-U雙層軸(zhou)向(xiang)中空管(guan)(guan)(guan)、HDPE中空壁纏繞管(guan)(guan)(guan),而(er)PVC-U雙層軸(zhou)向(xiang)中空管(guan)(guan)(guan)和HDPE中空纏繞管(guan)(guan)(guan)性(xing)(xing)價(jia)比高,是井(jing)(jing)(jing)筒(tong)的(de)(de)(de)(de)(de)理想選材(cai)(cai)污(wu)水(shui)塑(su)料(liao)檢(jian)查(cha)(cha)井(jing)(jing)(jing)井(jing)(jing)(jing)筒(tong)應(ying)根(gen)(gen)據井(jing)(jing)(jing)座(zuo)連(lian)(lian)接(jie)井(jing)(jing)(jing)筒(tong)的(de)(de)(de)(de)(de)外徑確定。污(wu)水(shui)塑(su)料(liao)檢(jian)查(cha)(cha)井(jing)(jing)(jing)井(jing)(jing)(jing)筒(tong)采(cai)用(yong)(yong)的(de)(de)(de)(de)(de)管(guan)(guan)(guan)材(cai)(cai)應(ying)根(gen)(gen)據井(jing)(jing)(jing)筒(tong)的(de)(de)(de)(de)(de)直(zhi)(zhi)徑、埋(mai)設深度(du)、埋(mai)地排水(shui)管(guan)(guan)(guan)道的(de)(de)(de)(de)(de)管(guan)(guan)(guan)材(cai)(cai)、雨水(shui)收(shou)集系統(tong)井(jing)(jing)(jing)座(zuo)連(lian)(lian)接(jie)井(jing)(jing)(jing)筒(tong)的(de)(de)(de)(de)(de)承(cheng)口(kou)型式(shi)(shi)以(yi)及市場(chang)貨源(yuan)等因素:根(gen)(gen)據井(jing)(jing)(jing)筒(tong)直(zhi)(zhi)徑選擇井(jing)(jing)(jing)筒(tong)管(guan)(guan)(guan)材(cai)(cai)、根(gen)(gen)據井(jing)(jing)(jing)座(zuo)連(lian)(lian)接(jie)井(jing)(jing)(jing)筒(tong)的(de)(de)(de)(de)(de)承(cheng)口(kou)型式(shi)(shi)選用(yong)(yong)管(guan)(guan)(guan)材(cai)(cai)。 【洪升商貿】PP模塊(kuai),溫度(du)升高時熔化(hua)(hua),吸收(shou)熱(re)量,溫度(du)降低(di)時凝(ning)固,放出熱(re)量。又因為它吸水(shui)量很少,不易潮濕(shi),有(you)(you)絕緣(yuan)性(xing)(xing)能(neng)(neng)(neng),因此是很好(hao)的(de)(de)(de)(de)(de)建筑材(cai)(cai)料(liao)。聚(ju)(ju)乙(yi)(yi)烯(xi)無臭,無毒,手感(gan)似蠟,具(ju)有(you)(you)優(you)良的(de)(de)(de)(de)(de)耐(nai)低(di)溫性(xing)(xing)能(neng)(neng)(neng)(***使用(yong)(yong)溫度(du)可達ndash,70℃~ndash,100℃),PP模塊(kuai)化(hua)(hua)學(xue)穩定性(xing)(xing)好(hao),能(neng)(neng)(neng)耐(nai)大多(duo)(duo)數酸堿的(de)(de)(de)(de)(de)侵蝕,常溫下不溶(rong)于一(yi)般(ban)溶(rong)劑,電(dian)絕緣(yuan)性(xing)(xing)能(neng)(neng)(neng)優(you)良。低(di)密(mi)(mi)度(du)聚(ju)(ju)乙(yi)(yi)烯(xi)較(jiao)軟(ruan),多(duo)(duo)用(yong)(yong)高壓(ya)聚(ju)(ju)合(he),高密(mi)(mi)度(du)聚(ju)(ju)乙(yi)(yi)烯(xi)具(ju)有(you)(you)剛性(xing)(xing)、硬(ying)度(du)和機(ji)械強度(du)大的(de)(de)(de)(de)(de)特(te)性(xing)(xing),多(duo)(duo)用(yong)(yong)低(di)壓(ya)聚(ju)(ju)合(he)。高密(mi)(mi)度(du)聚(ju)(ju)乙(yi)(yi)烯(xi)可以(yi)做(zuo)容器、管(guan)(guan)(guan)道、塑(su)料(liao)檢(jian)查(cha)(cha)井(jing)(jing)(jing),也可以(yi)做(zuo)高頻的(de)(de)(de)(de)(de)電(dian)絕緣(yuan)材(cai)(cai)料(liao),用(yong)(yong)于雷達和電(dian)視。主要是采(cai)用(yong)(yong)低(di)壓(ya)生產,故又稱低(di)壓(ya)聚(ju)(ju)乙(yi)(yi)烯(xi)。HDPE分子中支鏈少,結晶度(du)高(85℅~90℅)密(mi)(mi)度(du)高(0.941~0.96,具(ju)有(you)(you)較(jiao)高的(de)(de)(de)(de)(de)使用(yong)(yong)溫度(du),硬(ying)度(du)、力度(du)強度(du)和耐(nai)化(hua)(hua)學(xue)性(xing)(xing)較(jiao)好(hao)。 本網部(bu)分內容轉載自其他(ta)媒(mei)體,雨水(shui)收(shou)集系統(tong)目的(de)(de)(de)(de)(de)在(zai)于傳遞更多(duo)(duo)信息,并不代表本網贊同其觀(guan)點或證實其內容的(de)(de)(de)(de)(de)真實性(xing)(xing)。
hdpe管材截止閥目前,建材(cai)(cai)市場(chang)(chang)可(ke)謂品類繁(fan)多競(jing)爭激(ji)烈(lie)每個市場(chang)(chang)層面都有幾(ji)個甚至幾(ji)十個品牌競(jing)爭,而且由(you)不同檔(dang)次的(de)pp管(guan)材(cai)(cai)也在相(xiang)互競(jing)爭。除(chu)此之外(wai),穩態管(guan)、對(dui)接焊鋁塑復合管(guan)、鋼(gang)塑復合管(guan)、高密度聚乙(hdpe)中空壁纏繞(rao)管(guan)等新產品市場(chang)(chang)的(de)競(jing)爭更為激(ji)烈(lie)。。
hdpe管材安全閥據估(gu)計,國(guo)內市(shi)場對塑(su)料(liao)管(guan)(guan)(guan)(guan)材的需求量(liang)(liang)可能以每年12%以上(shang)的速(su)度繼續增長,特別由于我國(guo)不斷(duan)加快現代化城市(shi)建(jian)設步伐,加強(qiang)(qiang)污(wu)(wu)水(shui)資源化處理,在給排水(shui)系統,建(jian)筑采暖(nuan)系統,供水(shui)、排污(wu)(wu)管(guan)(guan)(guan)(guan),燃氣、采暖(nuan)管(guan)(guan)(guan)(guan)道,大(da)口徑(jing)地(di)埋管(guan)(guan)(guan)(guan)等等的應用前景(jing)將十(shi)分廣闊,2010年我國(guo)塑(su)料(liao)管(guan)(guan)(guan)(guan)產量(liang)(liang)將達450萬噸,到2015年將達600萬噸,屆時我國(guo)將成為世界上(shang)塑(su)料(liao)管(guan)(guan)(guan)(guan)產量(liang)(liang)最大(da)的國(guo)家因而(er),管(guan)(guan)(guan)(guan)材生(sheng)產企業需要抓住機遇,不斷(duan)開拓新(xin)的應用領域,加強(qiang)(qiang)品牌升級。。
環境保護且經過近年的(de)(de)發展,穩態(tai)管(guan)(guan)(guan)(guan)(guan)、對接(jie)焊、鋁塑(su)復(fu)(fu)合管(guan)(guan)(guan)(guan)(guan)、鋼(gang)塑(su)復(fu)(fu)合管(guan)(guan)(guan)(guan)(guan)、高(gao)(gao)(gao)密(mi)(mi)度(du)聚乙烯(xi)(hdpe)中(zhong)空(kong)壁纏(chan)繞(rao)管(guan)(guan)(guan)(guan)(guan)等(deng)新型產品(pin)層出不窮(qiong),環(huan)保管(guan)(guan)(guan)(guan)(guan)材(cai)(cai)(cai)(cai)(cai)市(shi)(shi)(shi)場(chang)(chang)的(de)(de)增長速度(du)約(yue)為管(guan)(guan)(guan)(guan)(guan)材(cai)(cai)(cai)(cai)(cai)總市(shi)(shi)(shi)場(chang)(chang)平均(jun)增長速度(du)的(de)(de)四倍2010年出臺(tai)ldquo,建材(cai)(cai)(cai)(cai)(cai)下(xia)(xia)鄉新政策(ce)。建材(cai)(cai)(cai)(cai)(cai)下(xia)(xia)鄉帶動管(guan)(guan)(guan)(guan)(guan)材(cai)(cai)(cai)(cai)(cai)下(xia)(xia)鄉,華南地區城市(shi)(shi)(shi)管(guan)(guan)(guan)(guan)(guan)網、家裝用(yong)網將(jiang)改(gai)用(yong)塑(su)料(liao)(liao)(liao)(liao)管(guan)(guan)(guan)(guan)(guan),塑(su)料(liao)(liao)(liao)(liao)管(guan)(guan)(guan)(guan)(guan)材(cai)(cai)(cai)(cai)(cai)市(shi)(shi)(shi)場(chang)(chang)進入了營銷(xiao)高(gao)(gao)(gao)峰,因此(ci)對于(yu)管(guan)(guan)(guan)(guan)(guan)材(cai)(cai)(cai)(cai)(cai)級的(de)(de)塑(su)料(liao)(liao)(liao)(liao)原料(liao)(liao)(liao)(liao)來說,將(jiang)會十分緊(jin)俏(qiao)。據估計,國(guo)(guo)(guo)內(nei)市(shi)(shi)(shi)場(chang)(chang)對塑(su)料(liao)(liao)(liao)(liao)管(guan)(guan)(guan)(guan)(guan)材(cai)(cai)(cai)(cai)(cai)的(de)(de)需求量可(ke)(ke)能以(yi)每年12%以(yi)上(shang)的(de)(de)速度(du)繼續增長,特別由(you)于(yu)我國(guo)(guo)(guo)不斷(duan)加(jia)(jia)快現(xian)代(dai)化城市(shi)(shi)(shi)建設步伐,加(jia)(jia)強污(wu)水資源化處理,在給排水系統,建筑(zhu)采暖系統,供水、排污(wu)管(guan)(guan)(guan)(guan)(guan),燃(ran)氣、采暖管(guan)(guan)(guan)(guan)(guan)道(dao),大口(kou)徑地埋管(guan)(guan)(guan)(guan)(guan)等(deng)等(deng)的(de)(de)應(ying)用(yong)前景將(jiang)十分廣闊,2010年我國(guo)(guo)(guo)塑(su)料(liao)(liao)(liao)(liao)管(guan)(guan)(guan)(guan)(guan)產量將(jiang)達450萬噸,到2015年將(jiang)達600萬噸,屆(jie)時我國(guo)(guo)(guo)將(jiang)成為世界上(shang)塑(su)料(liao)(liao)(liao)(liao)管(guan)(guan)(guan)(guan)(guan)產量的(de)(de)國(guo)(guo)(guo)家。因而(er),管(guan)(guan)(guan)(guan)(guan)材(cai)(cai)(cai)(cai)(cai)生產企(qi)業需要抓(zhua)住機遇,不斷(duan)開拓新的(de)(de)應(ying)用(yong)領域,加(jia)(jia)強品(pin)牌升(sheng)級。目(mu)前,建材(cai)(cai)(cai)(cai)(cai)市(shi)(shi)(shi)場(chang)(chang)可(ke)(ke)謂品(pin)類(lei)繁多競(jing)(jing)爭(zheng)激(ji)烈(lie)。每個市(shi)(shi)(shi)場(chang)(chang)層面都有幾(ji)個甚至幾(ji)十個品(pin)牌競(jing)(jing)爭(zheng),而(er)且由(you)不同檔次的(de)(de)pp管(guan)(guan)(guan)(guan)(guan)材(cai)(cai)(cai)(cai)(cai)也在相互競(jing)(jing)爭(zheng)。除此(ci)之(zhi)外,穩態(tai)管(guan)(guan)(guan)(guan)(guan)、對接(jie)焊鋁塑(su)復(fu)(fu)合管(guan)(guan)(guan)(guan)(guan)、鋼(gang)塑(su)復(fu)(fu)合管(guan)(guan)(guan)(guan)(guan)、高(gao)(gao)(gao)密(mi)(mi)度(du)聚乙(hdpe)中(zhong)空(kong)壁纏(chan)繞(rao)管(guan)(guan)(guan)(guan)(guan)等(deng)新產品(pin)市(shi)(shi)(shi)場(chang)(chang)的(de)(de)競(jing)(jing)爭(zheng)更為激(ji)烈(lie)。。
排(pai)水(shui)(shui)(shui)(shui)管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)指匯集和排(pai)放污(wu)水(shui)(shui)(shui)(shui)大致(zhi)車道(dao)(dao)(dao)的(de)(de)(de)(de)地(di)面荷載(zai)按(an)汽車總重(zhong)15t(后(hou)輪(lun)壓(ya)(ya)5t);消防車道(dao)(dao)(dao)的(de)(de)(de)(de)地(di)面荷載(zai)按(an)汽車總重(zhong)30t(后(hou)輪(lun)壓(ya)(ya)6t)地(di)下(xia)(xia)水(shui)(shui)(shui)(shui)位按(an)地(di)面下(xia)(xia)不小(xiao)于1.0m打造。 雨(yu)(yu)(yu)水(shui)(shui)(shui)(shui)量少時,通過釋(shi)放孔慢(man)(man)慢(man)(man)釋(shi)放;雨(yu)(yu)(yu)水(shui)(shui)(shui)(shui)量大是(shi),雨(yu)(yu)(yu)水(shui)(shui)(shui)(shui)暫時儲存在(zai)滲透池(chi)內(nei),減輕降雨(yu)(yu)(yu)高(gao)峰對(dui)市政管(guan)(guan)(guan)(guan)(guan)(guan)網(wang)壓(ya)(ya)力;當滲透池(chi)充滿雨(yu)(yu)(yu)水(shui)(shui)(shui)(shui),多余雨(yu)(yu)(yu)水(shui)(shui)(shui)(shui)直接排(pai)入(ru)(ru)(ru)市政管(guan)(guan)(guan)(guan)(guan)(guan)網(wang);雨(yu)(yu)(yu)停后(hou),滲透池(chi)中(zhong)的(de)(de)(de)(de)雨(yu)(yu)(yu)水(shui)(shui)(shui)(shui)慢(man)(man)慢(man)(man)排(pai)入(ru)(ru)(ru)周(zhou)邊地(di)區(qu)土壤中(zhong)。鈣含量低(di)有機物(wu)含量少雨(yu)(yu)(yu)水(shui)(shui)(shui)(shui)是(shi)一種(zhong)污(wu)染(ran)輕雨(yu)(yu)(yu)水(shui)(shui)(shui)(shui)滲透系(xi)統(tong)是(shi)指天(tian)然原生(sheng)態的(de)(de)(de)(de)自然入(ru)(ru)(ru)滲系(xi)統(tong)被(bei)破壞(huai),雨(yu)(yu)(yu)水(shui)(shui)(shui)(shui)不可(ke)能(neng)再次(ci)回(hui)補到地(di)下(xia)(xia),人工將落到受(shou)雨(yu)(yu)(yu)面上(shang)的(de)(de)(de)(de)雨(yu)(yu)(yu)水(shui)(shui)(shui)(shui)經(jing)處理后(hou),再次(ci)回(hui)補到地(di)下(xia)(xia)的(de)(de)(de)(de)一種(zhong)處理系(xi)統(tong)。屋面或(huo)道(dao)(dao)(dao)路雨(yu)(yu)(yu)水(shui)(shui)(shui)(shui)經(jing)管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)輸送(song)到雨(yu)(yu)(yu)水(shui)(shui)(shui)(shui)過濾井(jing)分離泥沙硬度小(xiao)的(de)(de)(de)(de)自然資(zi)源,其(qi)水(shui)(shui)(shui)(shui)質比(bi)生(sheng)活排(pai)水(shui)(shui)(shui)(shui)好,經(jing)簡單處理即(ji)能(neng)使(shi)用。隨著鄉鎮化進程的(de)(de)(de)(de)加(jia)速(su),郊區(qu)的(de)(de)(de)(de)水(shui)(shui)(shui)(shui)資(zi)源短(duan)缺(que)問題(ti)導致(zhi)雨(yu)(yu)(yu)水(shui)(shui)(shui)(shui)利用承受(shou)到重(zhong)視。 市政管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)清淤管(guan)(guan)(guan)(guan)(guan)(guan)徑對(dui)充氣(qi)壓(ya)(ya)力,速(su)度的(de)(de)(de)(de)要求(qiu)沖入(ru)(ru)(ru)壓(ya)(ya)縮(suo)空(kong)氣(qi),膨脹(zhang)軟(ruan)(ruan)(ruan)管(guan)(guan)(guan)(guan)(guan)(guan):充氣(qi)前應(ying)仔細檢(jian)查(cha)(cha)扎頭是(shi)否妥當;充氣(qi)裝(zhuang)置(zhi)(zhi)宜(yi)安(an)裝(zhuang)在(zai)軟(ruan)(ruan)(ruan)管(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)(ru)口端(duan),且(qie)應(ying)裝(zhuang)有控制和顯示壓(ya)(ya)縮(suo)空(kong)氣(qi)壓(ya)(ya)力的(de)(de)(de)(de)裝(zhuang)置(zhi)(zhi);充氣(qi)前應(ying)檢(jian)查(cha)(cha)軟(ruan)(ruan)(ruan)管(guan)(guan)(guan)(guan)(guan)(guan)各連結(jie)處的(de)(de)(de)(de)密封性(xing),軟(ruan)(ruan)(ruan)管(guan)(guan)(guan)(guan)(guan)(guan)末端(duan)宜(yi)安(an)裝(zhuang)調節閥。并全(quan)部替代等(deng)于1/3的(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)周(zhou)長(chang),且(qie)應(ying)在(zai)原有管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)兩(liang)端(duan)固定。拉(la)(la)入(ru)(ru)(ru)內(nei)襯(chen)按(an)如下(xia)(xia)規范要求(qiu),將內(nei)襯(chen)管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)拉(la)(la)入(ru)(ru)(ru)待修復(fu)管(guan)(guan)(guan)(guan)(guan)(guan)段里(li)邊。應(ying)沿管(guan)(guan)(guan)(guan)(guan)(guan)底(di)的(de)(de)(de)(de)墊(dian)膜(mo)將浸(jin)漬樹脂的(de)(de)(de)(de)軟(ruan)(ruan)(ruan)管(guan)(guan)(guan)(guan)(guan)(guan)平穩,緩慢(man)(man)地(di)拉(la)(la)入(ru)(ru)(ru)原有管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)。郊區(qu)市政管(guan)(guan)(guan)(guan)(guan)(guan)網(wang)修復(fu)UV紫外(wai)光(guang)內(nei)襯(chen)固化操作:市政排(pai)水(shui)(shui)(shui)(shui)管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)非開挖修復(fu)技術:充氣(qi)膨脹(zhang)軟(ruan)(ruan)(ruan)管(guan)(guan)(guan)(guan)(guan)(guan)按(an)內(nei)襯(chen)軟(ruan)(ruan)(ruan)管(guan)(guan)(guan)(guan)(guan)(guan)材(cai)料拉(la)(la)入(ru)(ru)(ru)速(su)度不應(ying)該多于5m/min;在(zai)拉(la)(la)入(ru)(ru)(ru)軟(ruan)(ruan)(ruan)管(guan)(guan)(guan)(guan)(guan)(guan)過程中(zhong),不可(ke)以摩擦損壞(huai)或(huo)劃傷軟(ruan)(ruan)(ruan)管(guan)(guan)(guan)(guan)(guan)(guan);軟(ruan)(ruan)(ruan)管(guan)(guan)(guan)(guan)(guan)(guan)兩(liang)端(duan)應(ying)比(bi)原有管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)長(chang)300-600mm軟(ruan)(ruan)(ruan)管(guan)(guan)(guan)(guan)(guan)(guan)拉(la)(la)入(ru)(ru)(ru)原有管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)再然后(hou),雨(yu)(yu)(yu)水(shui)(shui)(shui)(shui)回(hui)收系(xi)統(tong)應(ying)對(dui)折放置(zhi)(zhi)在(zai)底(di)膜(mo)上(shang)。